Huawei H11-861_V2.0 - HCIP-Video Conference V2.0

GK can only be installed on the C or D drive of the operating system.

H. 225 is used for media channel control, including call signaling (Q. 931), and RAS messages between nodes and GKs. ( )

During a point-to-point number call, GK receives two call requests.

Voice enhancement technology, automatic noise suppression ANR can solve the problem of the overall low or high call volume in the line.

SIP messages are encoded as text.

The RTCP protocol can be freely controlled by SDES grouping, with RTCP SDES marking members away from the session, or members changing SSRC.

The HD terminal provides remote control interface, web management, remote SSH function, and assigns a user name and password to each service.

Background lighting can improve monotonous backgrounds; The background light should be dimmer than the main light to highlight the human image and create a sense of depth. ( )

The role of the LAN2 port of the HD terminal ().

At the heart of the NAT mapping is the modification of the destination address of the datagram header. ( )

Cascade channels are used by priority, and resources are mutually exclusive when at the same priority.

Diagnosis of peer-to-peer networks without networking traversed by public and private networks. ( )

Network recording supports downloading recorded files to the local area in the format ( ) and supports local playback. (Fill in the blanks)

The color temperature is defined by the absolute black body, the radiation of the light source in the visible region and the radiation of the absolute black body are exactly the same, at this time the Kelvin

temperature of the black body is called the color temperature of this light source. ( )